Frequently Asked Questions
Straight answers on MOQ, OEM/ODM, lead time, warranty, shipping and certification — for distributors, EPC contractors and project buyers.
Our standard MOQ varies by product. For solar street lights, the MOQ is typically 50–100 units. For energy storage systems, MOQ is 10–20 units. We also support sample orders for initial evaluation — contact us for your specific product.
We accept T/T (bank transfer), L/C (letter of credit), PayPal, and Western Union. For first orders, 30% deposit + 70% before shipment is standard. Long-term partners may negotiate flexible terms.
Standard production lead time is 15–30 days depending on order quantity and product type. Custom OEM/ODM orders may take 30–45 days. We ship from Guangzhou/Shenzhen port to worldwide destinations.
Yes. We offer full OEM/ODM service including private-label branding, custom packaging, engineering modification, and project-specific design. Our R&D team supports you from concept to mass production.
Our products are certified with ISO 9001, ISO 14001, CE (multiple directives), and comply with international standards. We provide full documentation packs for tender/bidding purposes.
All Woneng products carry a 3-year full-machine warranty. LiFePO4 batteries are rated for 6000+ cycles (10+ year service life). We provide after-sales support and replacement parts worldwide.
We ship via sea freight (FCL or LCL) from Guangzhou/Shenzhen to major African ports including Lagos, Dar es Salaam, Mombasa, and Accra. We also support air freight for urgent orders. Delivery time is typically 25–40 days by sea.
Yes, we welcome sample orders for quality evaluation. Sample pricing is available with fast delivery via air freight. Sample costs are refundable against your first bulk order.